Python stoppable thread

How to create Stopable thread in python:-

just copy and paste:)

Learning:-

#!/usr/bin/python2
import threading
import time
def myfunction(say):
    print "my first thread is runnning"
    while 1:
        print say
        time.sleep(1)

thread = threading.Thread(target=myfunction,args=("hello sir",))
print "Thread is alive: ",thread.isAlive()
t = threading.Event()                 #must after instance is created
thread.daemon = True                 #must after threading.event and before start the event
thread.start()                         #start the thread
time.sleep(1)
print "Check flag: ",t.isSet()         #Check flag before stopping
time.sleep(1)                         #after 1 second delay stop thread
print "Attempting to stop thread"
t.set()                               #stop thread
print "Thread event: ",t.isSet()     #Check thread is stopped or not
print "thread is alive :",thread.isAlive() #i dont know why it is returing true.